1948-1952 Shop Service Manual - - Hudson-Essex-Terraplane Club

3 - 12 ENGINE
Installation:
Reverse procedure of removal. Check to make sure that
center steering support bracket is properly secured.
Refill oil pan with seven quarts of recommended oil.
REMOVAL:
1. Drain cooling system.
CYLINDER HEAD
8 CYLINDER
2. Install new head gasket.
CAUTION: Use the correct gasket - see that the gasket
does not protrude inside the combustion chamber or
cylinder bore line; also that water circulating holes on
cylinder block face and holes in gasket line up.
NOTE: Cylinder head and gasket Installation on 6
cylinder can be facilitated by using two J-2969 locating
studs to position the gasket and head. These studs have
a screw driver slot for removal after the cylinder head
has been positioned, Figure 11.
2. Loosen carburetor air horn attaching screw and clamp.
Remove brace from opposite side and remove air cleaner.
3. Disconnect top radiator and by-pass hose.
4. Disconnect heater hoses (if so equipped).
5. Disconnect throttle rod at carburetor.
6. Disconnect temperature gauge wire at cylinder head
sender unit.
7. Disconnect spark plug wires and remove spark plugs.
8. Remove cylinder head stud nuts or cap screws and
washers and remove cylinder head.
9. Remove temperature gauge sender unit from cylinder
head.
CYLINDER HEAD
6 CYLINDER
FIGURE 11
Cylinder head nuts should be tightened to 45-50 foot
pounds on 8 cylinder and 60-65 foot pounds on 6 cylinder,
using torque wrench J-1264.
Tighten each nut or cap screw in the proper sequence
shown in Figure 12.
REMOVAL:
Follow the same procedure as outlined under "Cylinder
Head Removal - 8 Cylinder" and in addition the following
operation.
Remove vacuum advance tube at octane selector.
Installation:
1: Make sure cylinder head is free from carbon and dirt.
Check cylinder head with a straight edge for warpage or
roughness, especially in cases of frequent "blowing" of
head gaskets.
FIGURE 12